From e00e6f23d36a802c7a81876891e4b470513d9cae Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Thu, 28 Mar 2013 18:56:26 +0000
Subject: [PATCH] Fix a few warnings/errors for compiling with -fno-exceptions.

llvm-svn: 178267
---
 libcxx/src/hash.cpp         |  4 ++++
 libcxx/src/locale.cpp       |  2 ++
 libcxx/src/system_error.cpp |  3 +++
 libcxx/src/thread.cpp       |  2 ++
 libcxx/src/typeinfo.cpp     | 14 ++++++++++++--
 5 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/libcxx/src/hash.cpp b/libcxx/src/hash.cpp
index a013500218e0..75e773a3a647 100644
--- a/libcxx/src/hash.cpp
+++ b/libcxx/src/hash.cpp
@@ -155,6 +155,8 @@ __check_for_overflow(size_t N)
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (N > 0xFFFFFFFB)
         throw overflow_error("__next_prime overflow");
+#else
+    (void)N;
 #endif
 }
 
@@ -166,6 +168,8 @@ __check_for_overflow(size_t N)
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (N > 0xFFFFFFFFFFFFFFC5ull)
         throw overflow_error("__next_prime overflow");
+#else
+    (void)N;
 #endif
 }
 
diff --git a/libcxx/src/locale.cpp b/libcxx/src/locale.cpp
index b7a47843b3da..90bc77c92fe2 100644
--- a/libcxx/src/locale.cpp
+++ b/libcxx/src/locale.cpp
@@ -6003,6 +6003,8 @@ void __throw_runtime_error(const char* msg)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     throw runtime_error(msg);
+#else
+    (void)msg;
 #endif
 }
 
diff --git a/libcxx/src/system_error.cpp b/libcxx/src/system_error.cpp
index 763d62c2a0b4..7376b770ecf8 100644
--- a/libcxx/src/system_error.cpp
+++ b/libcxx/src/system_error.cpp
@@ -195,6 +195,9 @@ __throw_system_error(int ev, const char* what_arg)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     throw system_error(error_code(ev, system_category()), what_arg);
+#else
+    (void)ev;
+    (void)what_arg;
 #endif
 }
 
diff --git a/libcxx/src/thread.cpp b/libcxx/src/thread.cpp
index 7a06b296d44c..635500292bbc 100644
--- a/libcxx/src/thread.cpp
+++ b/libcxx/src/thread.cpp
@@ -36,6 +36,8 @@ thread::join()
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (ec)
         throw system_error(error_code(ec, system_category()), "thread::join failed");
+#else
+    (void)ec;
 #endif  // _LIBCPP_NO_EXCEPTIONS
     __t_ = 0;
 }
diff --git a/libcxx/src/typeinfo.cpp b/libcxx/src/typeinfo.cpp
index 7b47d74123d6..60828944a1bc 100644
--- a/libcxx/src/typeinfo.cpp
+++ b/libcxx/src/typeinfo.cpp
@@ -53,8 +53,18 @@ std::bad_typeid::what() const _NOEXCEPT
 #ifdef __APPLE__
   // On Darwin, the cxa_bad_* functions cannot be in the lower level library
   // because bad_cast and bad_typeid are defined in his higher level library
-  void __cxxabiv1::__cxa_bad_typeid() { throw std::bad_typeid(); }
-  void __cxxabiv1::__cxa_bad_cast() { throw std::bad_cast(); }
+  void __cxxabiv1::__cxa_bad_typeid()
+  {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+     throw std::bad_typeid();
+#endif
+  }
+  void __cxxabiv1::__cxa_bad_cast()
+  {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+      throw std::bad_cast();
+#endif
+  }
 #endif
 
 #endif  // _LIBCPPABI_VERSION